native macOS codings agent orchestrator
Merge pull request #73 from onevcat/feat/homebrew-cask-release-flow
ci: automate homebrew cask update from Prowl releases
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.github/workflows/release-homebrew-cask.yml
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.github/workflows/release-homebrew-cask.yml
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name: Update Homebrew cask
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on:
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release:
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types: [published]
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workflow_dispatch:
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inputs:
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tag:
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description: "Release tag to sync (e.g. v2026.3.25)"
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required: true
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type: string
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jobs:
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update-tap:
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runs-on: ubuntu-22.04
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environment: homebrew-release
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permissions:
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contents: read
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steps:
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- name: Resolve release metadata
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id: metadata
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shell: bash
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run: |
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set -euo pipefail
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if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
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TAG="${{ inputs.tag }}"
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else
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TAG="${{ github.event.release.tag_name }}"
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fi
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if [[ -z "$TAG" ]]; then
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echo "Tag is required."
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exit 1
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fi
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VERSION="${TAG#v}"
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URL="https://github.com/${{ github.repository }}/releases/download/${TAG}/Prowl.dmg"
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SHA=$(curl -fL -s "$URL" | shasum -a 256 | awk '{print $1}')
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echo "tag=$TAG" >> "$GITHUB_OUTPUT"
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echo "version=$VERSION" >> "$GITHUB_OUTPUT"
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echo "url=$URL" >> "$GITHUB_OUTPUT"
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echo "sha=$SHA" >> "$GITHUB_OUTPUT"
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- name: Checkout tap
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uses: actions/checkout@v4
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with:
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repository: onevcat/homebrew-tap
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token: ${{ secrets.TAP_GITHUB_TOKEN }}
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path: tap
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- name: Update cask
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env:
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TAP_VERSION: ${{ steps.metadata.outputs.version }}
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TAP_SHA: ${{ steps.metadata.outputs.sha }}
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run: |
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python - <<'PY'
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import os
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import pathlib
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import re
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import textwrap
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path = pathlib.Path("tap/Casks/prowl.rb")
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version = os.environ["TAP_VERSION"]
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sha = os.environ["TAP_SHA"]
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template = textwrap.dedent(
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f"""
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cask \"prowl\" do
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version \"{version}\"
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sha256 \"{sha}\"
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url \"https://github.com/onevcat/Prowl/releases/download/v#{{version}}/Prowl.dmg\"
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name \"Prowl\"
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desc \"Native macOS coding agent orchestrator\"
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homepage \"https://github.com/onevcat/Prowl\"
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auto_updates true
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app \"Prowl.app\"
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zap trash: [
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\"~/Library/Application Support/com.onevcat.prowl\",
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\"~/Library/Caches/com.onevcat.prowl\",
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\"~/Library/Preferences/com.onevcat.prowl.plist\",
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\"~/Library/Saved Application State/com.onevcat.prowl.savedState\",
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]
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end
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"""
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).lstrip()
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if not path.exists():
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text(template)
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print("Created tap/Casks/prowl.rb")
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else:
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text = path.read_text()
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text = re.sub(r'^\s*version\s+\".*\"\s*$', f' version \"{version}\"', text, flags=re.M)
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text = re.sub(r'^\s*sha256\s+\".*\"\s*$', f' sha256 \"{sha}\"', text, flags=re.M)
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path.write_text(text)
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print("Updated tap/Casks/prowl.rb")
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PY
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- name: Open pull request
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env:
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GH_TOKEN: ${{ secrets.TAP_GITHUB_TOKEN }}
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TAG: ${{ steps.metadata.outputs.tag }}
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run: |
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set -euo pipefail
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cd tap
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BRANCH="prowl-${TAG#v}"
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if gh pr view --repo onevcat/homebrew-tap --head "onevcat:${BRANCH}" >/dev/null 2>&1; then
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echo "PR already exists for ${BRANCH}."
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exit 0
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fi
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git checkout -b "$BRANCH"
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git add Casks/prowl.rb
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if git diff --cached --quiet; then
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echo "No cask changes detected."
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exit 0
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fi
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git -c user.name="github-actions[bot]" \
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-c user.email="41898282+github-actions[bot]@users.noreply.github.com" \
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commit -m "Update prowl cask to ${TAG}"
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git push origin "$BRANCH"
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gh pr create \
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--repo onevcat/homebrew-tap \
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--title "Update prowl cask to ${TAG}" \
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--body-file - <<EOF
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Automated update from Prowl release ${TAG}.
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- Updated \
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- version
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- sha256
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- Target cask: Casks/prowl.rb
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EOF